Entry 1 sense Webster, 1913 Oviform /(ō"vĭ*fôrm)/ · O·vi·form · IPA /ˈoʊ.vɚfɔɹm/ 01 a. Having the form or figure of an egg; egg-shaped; as, an oviform leaf. 1. Having the form or figure of an egg; egg-shaped; as, an oviform leaf.(Biol.) Syn. ovoid, ovoidal.